I've also used this saying to mean that when something happens, it really happens. For instance, when you get one excellent grade, you seem to get a lot more around that time. Or, what happens to me, either no guys like you or a bunch start to around the same time. Another fun one is if you have a bunch of invitations for stuff to do on Friday, but none for Saturday.

I applied for jobs in various places in town about a month or two ago. None of them ever contacted me, and when I went in to check on them after about a week they said there were no openings and would call when there was. I didn't care too much, so I didn't try anymore.

Then there's this place closer to my house, so I applied there about a week ago. I go in to check up and am told she will call me on Tuesday to set up an interview. Then on Sunday I get a call from one of the places I applied at awhile ago, asking me to come interview on Monday. Entirely out of the blue.

I didn't want to end up with neither, but I wanted the closer one more. Luckily I had a friend who's a manager there. I called her, who called the owner/boss, who called me. I got the job. On the last day of summer I finally get a job...the irony...